<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class='icon-img-content' :src='item.imgUrl' />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icons
    margin-top: .1rem
   .icon
     position: relative
     overflow: hidden
     float: left
     width: 25%
     height: 0
     padding-bottom: 25%
     .icon-img
       position: absolute
       top: 0
       left: 0
       right: 0
       bottom: .44rem
       box-sizing: border-b
       padding: .1rem
       .icon-img-content
         display: block
         margin: 0 auto
         height: 100%
     .icon-desc
       position: absolute
       left: 0
       right: 0
       bottom: 0
       height: .44rem
       line-height: .44rem
       text-align: center
       color: $darkTextColor
       ellipsis()
</style>
